int kvm_s390_skey_check_enable(struct kvm_vcpu *vcpu)
{
int rc;
- struct kvm_s390_sie_block *sie_block = vcpu->arch.sie_block;
trace_kvm_s390_skey_related_inst(vcpu);
/* Already enabled? */
- if (vcpu->kvm->arch.use_skf &&
- !(sie_block->ictl & (ICTL_ISKE | ICTL_SSKE | ICTL_RRBE)) &&
- !kvm_s390_test_cpuflags(vcpu, CPUSTAT_KSS))
+ if (vcpu->arch.skey_enabled)
return 0;
rc = s390_enable_skey();
if (kvm_s390_test_cpuflags(vcpu, CPUSTAT_KSS))
kvm_s390_clear_cpuflags(vcpu, CPUSTAT_KSS);
if (!vcpu->kvm->arch.use_skf)
- sie_block->ictl |= ICTL_ISKE | ICTL_SSKE | ICTL_RRBE;
+ vcpu->arch.sie_block->ictl |= ICTL_ISKE | ICTL_SSKE | ICTL_RRBE;
else
- sie_block->ictl &= ~(ICTL_ISKE | ICTL_SSKE | ICTL_RRBE);
+ vcpu->arch.sie_block->ictl &= ~(ICTL_ISKE | ICTL_SSKE | ICTL_RRBE);
+ vcpu->arch.skey_enabled = true;
return 0;
}